html,body
{
    overflow: hidden;
    height: 100%;
}
#west
{
    width:200px;
    position: absolute;
    top:0;
    left:0;
    bottom:0;
    overflow: auto;
    background:#f9f9f9;
    border-right:1px #cccccc solid;
}
#center
{
    position: absolute;
    top:0px;
    bottom:0;
    left:201px;
    right:0;
    overflow: hidden;
    border-left:1px #ffffff solid;
}
#west iframe,
#center iframe
{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top:0;
    bottom:0;
    left:0;
    right:0;
} 
* html
{
    padding-right: 200px;
}
* html #west
{
    height:100%;
}
* html #center
{
    position: relative;
}